Shares of At Home Group Inc. /zigman2/quotes/204084118/composite HOME -2.11% have skyrocketed more than 470% over the past three months, and have nearly tripled for the year to date, up 190.6% for the period. The S&P 500 index /zigman2/quotes/210599714/realtime SPX -1.12% is up 4.6% for the year to date. The home goods retailer released preliminary second-quarter results in late July, with same-store sales up about 42% and total sales up 51% to $515 million. The home category has been a strong one for the retail sector as shoppers spend more time at home and aim to make improvements and complete do-it-yourself projects. Bank of America recently upgraded At Home shares to buy from underperform, moving its price target to $16.50 from $5, writing in a note that the company is capturing more sales than analysts anticipated. "We have seen a material improvement in home-related spend as consumers invest in their homes and divert income out of travel and entertainment," analysts said.